Climate Insights for Ashoro

Ashoro-gun, Hokkaido, Japan

Hottest
August
22°C peak
Coldest
February
-13°C low
Wettest
August
190mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Ashoro is cool. The average annual temperature is 6°C and approximately 1094mm of precipitation falls per year. Ashoro receives a notable amount of rainfall throughout the year, including during its driest month. Ashoro is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, December, when temperatures can drop to -13°C. Ashoro experiences heavy snowfall, typically from January through December.

Temperature

-20° -10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -3° Average: -8° Min: -13° Feb Max: -2° Average: -8° Min: -13° Mar Max: 4° Average: -1° Min: -5° Apr Max: 10° Average: 5° Min: 1° May Max: 17° Average: 12° Min: 7° Jun Max: 17° Average: 14° Min: 10° Jul Max: 22° Average: 18° Min: 15° Aug Max: 22° Average: 19° Min: 16° Sep Max: 20° Average: 16° Min: 12° Oct Max: 14° Average: 9° Min: 5° Nov Max: 6° Average: 2° Min: -2° Dec Max: -1° Average: -5° Min: -9°
Max
Average
Min

Temperatures in Ashoro vary considerably across the year, with a 35°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 22°C with a mean of 19°C. The coldest month is February, when overnight lows fall to -13°C and the daily average is -8°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 45mm Snow: 44mm Feb Precipitation: 45mm Snow: 41mm Mar Precipitation: 83mm Snow: 46mm Apr Precipitation: 78mm Snow: 31mm May Precipitation: 76mm Snow: 1mm Jun Precipitation: 113mm Snow: 0mm Jul Precipitation: 106mm Snow: 0mm Aug Precipitation: 190mm Snow: 0mm Sep Precipitation: 113mm Snow: 0mm Oct Precipitation: 128mm Snow: 4mm Nov Precipitation: 59mm Snow: 19mm Dec Precipitation: 58mm Snow: 39mm
Precipitation
Snow

Ashoro is a moderately rainy area, receiving approximately 1094mm of precipitation annually, which averages out to around 91mm per month. The wettest month is August, averaging 190mm of rainfall. October and June also tend to see above-average precipitation. The driest month is February, with just 45mm. That's 146mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Ashoro receives heavy snowfall, accumulating around 226cm annually from January through December. The snowiest month is March, with approximately 46cm. Winter travel should account for significant snow cover.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 3km/h Feb Wind Speed: 2km/h Mar Wind Speed: 3km/h Apr Wind Speed: 3km/h May Wind Speed: 2km/h Jun Wind Speed: 2km/h Jul Wind Speed: 2km/h Aug Wind Speed: 2km/h Sep Wind Speed: 2km/h Oct Wind Speed: 3km/h Nov Wind Speed: 3km/h Dec Wind Speed: 3km/h
Wind Speed

Ashoro is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

92 days until Autumn

It is currently summer in Ashoro, which began on June 21, 2026. Ashoro is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 22°C, while the coldest stretch bottoms out in February near -13°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

Spring

Temperatures range from -5 to 17°C. Precipitation is moderate at around 238mm for the season, averaging 79mm per month. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 10 to 22°C. Rainfall is heavy, totalling around 409mm across the season with a monthly average of 136mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -2 to 20°C. Precipitation is moderate at around 300mm for the season, averaging 100mm per month. Expect around 24cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -13 to -1°C. Rainfall is relatively light, with around 147mm over the season and a monthly average of 49mm. Expect around 124cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.

Monthly Climate Data

The table below shows monthly climate averages for Ashoro based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-13 °C
-3 °C
3 km/h
45 mm
44 cm
Feb
-13 °C
-2 °C
2 km/h
45 mm
41 cm
Mar
-5 °C
4 °C
3 km/h
83 mm
46 cm
Apr
1 °C
10 °C
3 km/h
78 mm
31 cm
May
7 °C
17 °C
2 km/h
76 mm
1 cm
Jun Current
10 °C
17 °C
2 km/h
113 mm
0 cm
Jul
15 °C
22 °C
2 km/h
106 mm
0 cm
Aug
16 °C
22 °C
2 km/h
190 mm
0 cm
Sep
12 °C
20 °C
2 km/h
113 mm
0 cm
Oct
5 °C
14 °C
3 km/h
128 mm
4 cm
Nov
-2 °C
6 °C
3 km/h
59 mm
19 cm
Dec
-9 °C
-1 °C
3 km/h
58 mm
39 cm
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